#include "ManagedBlasProvider.h"

 /* Double Complex */VOID SmartMathLibrary::Blas::Engine::ManagedBlasProvider::zdotu_
   (doublecomplex *ret_val, integer *n, doublecomplex *zx, integer *incx,
   doublecomplex *zy, integer *incy)
{
  /* System generated locals */
  integer i__1, i__2, i__3;
  doublecomplex z__1, z__2;
  /* Local variables */
  static integer i__, ix, iy;
  static doublecomplex ztemp;
  /*  Purpose   
  =======   
  ZDOTU forms the dot product of two vectors.   
  Further Details   
  ===============   
  jack dongarra, 3/11/78.   
  modified 12/3/93, array(1) declarations changed to array(*)   
  Parameter adjustments */
  --zy;
  --zx;
  /* Function Body */
  ztemp.r = 0., ztemp.i = 0.;
  ret_val->r = 0., ret_val->i = 0.;
  if (*n <= 0)
  {
    return ;
  }
  if (*incx == 1 &&  *incy == 1)
  {
    goto L20;
  }
  /*        code for unequal increments or equal increments   
  not equal to 1 */
  ix = 1;
  iy = 1;
  if (*incx < 0)
  {
    ix = ( - (*n) + 1) **incx + 1;
  }
  if (*incy < 0)
  {
    iy = ( - (*n) + 1) **incy + 1;
  }
  i__1 =  *n;
  for (i__ = 1; i__ <= i__1; ++i__)
  {
    i__2 = ix;
    i__3 = iy;
    z__2.r = zx[i__2].r *zy[i__3].r - zx[i__2].i *zy[i__3].i, z__2.i =
      zx[i__2].r *zy[i__3].i + zx[i__2].i *zy[i__3].r;
    z__1.r = ztemp.r + z__2.r, z__1.i = ztemp.i + z__2.i;
    ztemp.r = z__1.r, ztemp.i = z__1.i;
    ix +=  *incx;
    iy +=  *incy;
    /* L10: */
  }
  ret_val->r = ztemp.r, ret_val->i = ztemp.i;
  return ;
  /*        code for both increments equal to 1 */
  L20: i__1 =  *n;
  for (i__ = 1; i__ <= i__1; ++i__)
  {
    i__2 = i__;
    i__3 = i__;
    z__2.r = zx[i__2].r *zy[i__3].r - zx[i__2].i *zy[i__3].i, z__2.i =
      zx[i__2].r *zy[i__3].i + zx[i__2].i *zy[i__3].r;
    z__1.r = ztemp.r + z__2.r, z__1.i = ztemp.i + z__2.i;
    ztemp.r = z__1.r, ztemp.i = z__1.i;
    /* L30: */
  }
  ret_val->r = ztemp.r, ret_val->i = ztemp.i;
  return ;
} /* zdotu_ */
